Home / 2,977,901.60-4,477,911.60-2,491,296.80

Finding the Fourth Proportional to 2,977,901.60, 4,477,911.60 and 2,491,296.80

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Solution

The fourth proportional to 2,977,901.60, 4,477,911.60 and 2,491,296.80 is: 3,746,197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977,901.60 : 4,477,911.60 = 2,491,296.80 : x
  2. Step 2: Convert to fraction form
    2,977,901.60/4,477,911.60 = 2,491,296.80/x
  3. Step 3: Cross multiply
    2,977,901.60x = 4,477,911.60 × 2,491,296.80
  4. Step 4: Simplify right side
    2,977,901.60x = 11,155,806,839,762.88
  5. Step 5: Solve for x
    x = 11,155,806,839,762.88/2,977,901.60
  6. Step 6: Final answer
    x = 3,746,197.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.